How to convince the scientific opponent

And then the doctor Haduen from London said that microbes in nature, and all that - fiction Pasteur. Is spoken after Koch Mechnikov Roux and after vaccines and serums, raises half-dead! And Haduen called on the public debate advocate of the germ theory of Dr. Cirelli.

At the appointed hour the hall was full and opponents clash between what is called head-on. The debate was a long, bitter, but to nothing lead. The audience did not know whom to believe, and was ready to boo both. Then Professor Cirelli stood. He was holding a syringe and two test tubes. He walked over to his opponent and said:

 - One of us is lying. To prove who is, I inject myself from this serum tubes. And you, Dr. Haduen from this. There tetanus germs. And I believe in them, I promise that you will die the most painful death, which only can be.

Haduen jumped up, ran to the door and shouted from the doorway:

 - I'm not such a fool!